Merc part no. 211 820 08 85

[alphagemini]

I discovered a weird part with the above number in the boot of my c200 203 2006
It is supposed to be something to do with Bluetooth. How? It has three wires attached.

 

[Gollom]

I discovered a weird part with the above number in the boot of my c200 203 2006
It is supposed to be something to do with Bluetooth. How? It has three wires attached.

Dual band compensator

 

[alphagemini]

Dual band compensator

What, pray, does a dual band compensator do? Thanks for your reply